1. irregular working hours
2. flexitime
to operate the office on flexitime
When she came back to work after her maternity leave, the boss allowed her to work flexitime.
I work flexitime
Only a little over one in ten work flexitime.
I don't worked flexitime. My working hours are fixed.
My boss gave me the chance to have flexitime.
I work flexitime, so if I'm late one day I can go in early the next.
3. flexible working hours
I don't get late for work because I have flexible working hours
The office hours are from 9 till 5 o'clock but you've got flexible working hours.
4. flexitime working hours